JPH0694270A - Air-stream grain transport apparatus and air conditioner - Google Patents

Abstract

PURPOSE:To make the production of conditioned air under a good circumstance apart from a heat generating source under a bad circumstance possible, in a highly efficient air conditioner employing an air-stream grain transport apparatus, capable of detecting the clogging of the device even though the clogging due to hooking can not be avoided but detecting it and eliminating it easily, and heat accumulating grain carrying medium, produced utilizing said carrier, as it is. CONSTITUTION:The communicating pipe of a high-pressure gas tank 8 is connected to the half way of an air-stream grain transport passage 4, whose periphery is sealed, with a preset space through a valve 7 to control a pressure and a flow rate in every different positions, Carrying medium, which carries heat accumulating fluid through the transport passage 4, is employed for conditioning air as it is or conditioned air is produced by connecting a grain receiving vessel 5 to a fan coil unit thermally. According to this method, the air-stream grain transport apparatus, reduced in clogging and capable of eliminating clogging easily by supplying principal carrying medium by a fan 14 and controlling the flow of medium by the high-pressure gas tank 8, can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air flow granular material conveying apparatus for conveying air particles having a particle size or less.
The present invention relates to an air conditioner that utilizes airflow transport of latent heat storage capsules or heat storage particles such as ice cubes.

[0002]

2. Description of the Related Art As a conventional conveying device related to the present invention, Japanese Patent Laid-Open Nos. 54-15553, 52-128272 and 52-128272 are known.
55-107868 and JP-A-61-83850. These conventional transfer devices mechanically transfer particles by a conveyor or a screw, and have a drawback that the device becomes large and the transfer power tends to be large, and the particles are caught in the middle of the transfer path, It may get caught and break down. Further, there is no disclosure regarding sending of granular ice to a desired place by air transportation and abuse of a direct contact heat exchange method with air to perform air conditioning.

[0003]

As described above, in many of the transporting devices, the particles are often caught or caught in the middle of the transporting device, causing frequent failures. SUMMARY OF THE INVENTION An object of the present invention is to provide an air flow granular material conveying device which eliminates at least a biting failure and can prevent clogging due to being caught, but can detect the clogging and easily eliminate the clogging. . Another other object is to provide a highly efficient air conditioner that transports heat storage granules by using this carrier device and uses the carrier medium as it is, and even if it is a heat source in a bad environment, It is to try to be able to obtain conditioned air in a remote good environment.

[0004]

A first aspect of the present invention for achieving the above first object is to provide a high-pressure gas tank at a predetermined interval in the middle of an air flow granule transport passage whose periphery is closed. The connecting pipes are connected via a valve, and high pressure gas is sequentially supplied according to the release order by detecting clogging. A second aspect of the present invention for achieving the second object is to use the carrier granules as heat storage granules, and use the carrier air that receives heat transfer even as it is, as conditioned air. When the heat transfer distance is insufficient only by transporting the particles, a means for thermally coupling the heat storage particle receiver and the fan coil unit may be used.

[0005]

When the clogging of the granule transport path is detected by a change in the transport gas pressure, etc., the clogged granules are opened by opening the valve of the pipe communicating with the high pressure gas tank in order from the downstream side of the transport path. Can be delivered to the granule receptor. Generally, it is economical to use high pressure gas as air.
In order to control the amount of granules staying in the bunker or granule replenishing passage, a high-pressure controlled gas is blown to the upstream side of the closed bunker or granule replenishing passage or a carrier gas is sent to the granule conveying passage. It is necessary to use a nozzle to reduce the pressure at the outlet of the feed granule supply path. Supplying compressed air with a fan is more economical than supplying from a high pressure gas tank.

[0006] When the heat storage granules are transported, the transport air receives heat transfer during the transport, so if it is used as conditioned air, conditioned air can be obtained without a special heat exchanger. When the heat storage granules stored in the granule receptor are brought into direct contact with the air sucked from the outside to receive heat, a simple heat exchanger is obtained. If the transportation distance is insufficient only by transporting the granules, or if the installation conditions at the conditioned air discharge location are poor, using the granule receptor as a heat source and the thermal coupling means with the fan coil unit can cause problems. You can measure the solution. By circulating ice-dissolving water in combination with an ice maker, it is possible to obtain a simple cooler for remote air intake with good thermal efficiency.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an air flow particle conveying device according to the present invention will be described with reference to FIG. Below the bunker 1, there is a grain replenishing path 2, and in between there is a gate 3 that can be opened and closed. Granule supply path 2
A particle conveying path 4 having a closed periphery is connected to the tip of the, and a particle receptor 5 is arranged at the tip. From the middle of the transport path 4,
Pipes 6 are arranged at preset intervals and are connected to a high pressure air tank 8 via a valve 7. The high-pressure air tank 8 can be supplied with compressed air through a pipe 10 by a compressor 9. Valve 11 from high pressure air tank 8
A pipe 12 extending further to the downstream side of the gate 3 via the gate is further arranged.

The granules 13 filled in the bunker 1 open the gate 3 and are moved to the granule replenishing path 2, and the gate 3 is closed and sealed again. Pipe 12 when valve 11 is opened
High-pressure air flows in from the particles to form a piston flow, which moves through the particle transfer path 4 and reaches the particle receiver 5. Even under normal operating conditions, the valves 7 are controlled individually to help the smooth movement of the particles 13. If the mixing ratio of the mass flow rate of the granules to the air flow rate is set to 0.1 or more, the transport power can be reduced. However, the granules 13 may be clogged, but in such a case, sequentially from the side close to the outlet side, or when the blockage location is known using the blockage location detector, it is sequentially upstream from the blockage location on the downstream side. The valve 7 is opened and closed to the side to move the occluding fluid to the granular body receptor 5. It is possible to use a tank of nitrogen gas, carbon dioxide gas, helium gas or the like instead of the high pressure air tank 8, but the economically best use is an air tank, and if the high pressure air tank 8 is large, surplus power at night is used. It is also possible to store the high-pressure air by the compressor 9 by effectively utilizing the above.

FIG. 2 shows a second embodiment of the air flow granular material conveying device. The role of the conveying air path of the valve 11 and the pipe 12 in the first embodiment shown in FIG. 1 is to play the role of the fan 14 and the fan cover 15 that wraps the fan 14, and the fan cover 15 that is pulled out from the fan cover 15 near the downstream side of the fan 14 via the valve 16. A pipe 17 that extends to near the downstream side of the openable and closable gate 3 attached to the upper part of the bunker 1 is carried. When the gate 3 is closed, the bunker 1 is kept airtight, and when the particles 13 do not reach the particle conveyance path 4 due to a natural fall (probably such a state always occurs), the valve 16 is opened. The particles 13 in the bunker 1 are expelled to the particle conveyance path 4. The method of operating the valve 7 to assist the smooth movement of the granules 13 and release the blockage of the granules is the same as in the first embodiment. The feature of the second embodiment is that the high pressure air tank 8 is different from that of the first embodiment.
That is, the capacity can be significantly reduced. Note that FIG. 2 includes a conditioned air generating portion, which will be described later.

FIG. 3 shows a third embodiment of the apparatus for transporting air-granulated particles. A nozzle 18 is provided in place of the valve 16, the pipe 17 and the gate 3 in the second embodiment shown in FIG.
The nozzle 18 is arranged near the entrance of the particle conveying path 4 in which the particle replenishing path 2 is enlarged. When air is ejected from the fan 18 from the nozzle 18, a negative pressure is generated in the vicinity of the outlet of the particle replenishing passage 2, and the particles 13 are smoothly replenished from the bunker 1. The method of operating the valve 7 to assist the smooth movement of the granules 13 or release the blockage of the granules is the same as in the first and second embodiments. The capacity of the high-pressure air tank 8 is the same as that of the second embodiment, and the operation is simplified because the gate 3 and the valve 16 are not required to be operated. Note that FIG. 3 also includes a conditioned air generating portion, which will be described later.

Next, an air conditioner including the above-mentioned airflow particle conveying device will be described. For convenience of illustration, the drawing shows a combination of the second embodiment of the air flow granular material conveying device and a conditioned air generation system that directly uses the conveying air as the conditioned air, and the third embodiment of the air flow granular material conveying device and the conveyance. Although it is shown in combination with the conditioned air generation method in which the heat storage granules are used as a heat source and is thermally coupled to the fan coil unit, 3 of the air flow granule transfer device
Any of the methods can combine the two methods of conditioned air generation. Therefore, the description of the airflow particle conveying device will be omitted unless it has a special relationship with the generation of conditioned air.

A first embodiment of the method of directly using carrier air will be described with reference to FIG. In FIG. 2, the granules 13 are heat storage granules, and the bottom surface of the granule receptor 5 is a lattice member 20.
The side surface has a closed structure except for the carrier air flow rate adjusting hole. When the heat storage granules 13 are high temperature heat storage granules such as high temperature latent heat storage capsules, high temperature sensible heat type granules, boiler combustion fuel residue processed granules, they are heated in the granule transport path 4 and the granule receiver 5. The conditioned air 21 for heating is discharged. If the heat storage particles 13 are cold heat storage particles, for example, ice, the conditioned air for cooling 21 is obtained. FIG. 2 shows the case where the ice particles 13 are used, and in this case, the ice-melting water is returned to facilitate the circulation use. The ice-melting water 22 is received by the ice-melting water receiving tray 23 and the pump 24
Then, the water amount is adjusted by the valve 25 and returned to the ice making machine 27 through the pipe 26. The ice particles 13 generated by the ice making machine 27 are supplied to the bunker 1. The purpose of circulating the heat medium (the ice particles 13 and the ice-melting water 22) is to improve the thermal efficiency.
Of course, circulation system (pump 24, valve 25, pipe 26)
It can be operated as an open system without. This circulation system can be applied to all air conditioners using ice particles.

Second Embodiment of Direct Utilization of Carrier Air FIG. 4
Shown in. The conditioned air 21 is discharged from the upper surface of the granule receptor 5 through the ventilation hole 28, and a storage space for the heat storage granules 13 is provided below. A porous cloth or a wire net may be used on the upper surface of the particle receiver 5. The heat storage granules 13 may of course be high temperature heat storage granules or cold heat storage granules, but in the illustrated case, a drain pipe 29 and a drain cock 30 are provided as ice granules. In this embodiment, a part of the particle transport path 4 may be used as the particle receiver 5.

Third Embodiment of Direct Utilization of Carrier Air FIG. 5
Shown in. The granular material receiver 5 is made of a foldable material such as vinyl, aluminum foil, flexible cloth, etc., and is used as a granular material conveying path extending means body having a storage space for the heat storage granular material 13 in a stretched state during use. Eggplant The carrier air that has received heat transfer at its tip, that is, the conditioned air 21, is discharged. Although a heat-resistant foldable material can be used for heating, it is suitable for simple cooling in terms of the foldable material. In this embodiment, the particle receiver 5 may be elongated and used as the particle transport path 4.

A fourth embodiment of the direct use method of carrier air is shown in FIGS. In the structure of the present embodiment, the fan 31 is installed by opening the upper part of the granular material receiver 5 in the first embodiment of the method of directly using carrier air. As a result, together with the conditioned air 21 discharged from the granular material conveying path 4, the lower surface lattice-like member 20.
The conditioned air 21 that is generated by receiving heat from the heat storage granules 13 that has been sucked in and accumulated in the granule receptor 5 is forcedly exhausted from the upper part. In order to improve ventilation from the lower surface of the granular material receiver 5, a ventilation duct 32 is used as shown in FIG. 7 to prevent the heat storage granular material 13 from entering by using a grid-like member and facilitate the passage of air taken in from the outside air. It may be provided. The cross-sectional shape of the ventilation duct is cylindrical, box-shaped, depending on the required ventilation resistance.
The half-moon condition can be changed variously. Both high temperature and cold heat can be applied to the heat storage particles 13. Thermal coupling method with fan coil unit A first embodiment will be described with reference to FIG. In FIG. 3, the water 40 stored in the granule receiver 5 is heated or cooled by the heat-storing granules and circulated through a pipe 42, a heat exchanger 44 of the fan coil unit 43, and a pipe 45 by a pump 41. This allows the fan coil unit 4
In 3, the conditioned air 21 for heating or cooling is generated.

Second Embodiment A thermal coupling method with a fan coil unit A second embodiment will be described with reference to FIGS. These figures are shown in the case of the cold heat storage granules 13. Granule receptor 5
And the thermal coupling means 46 between the fan coil unit 43 and
A circulation type thermosyphon is used in which an evaporative liquid such as alcohol or freon is enclosed. The condenser part 47 is buried in the cold heat storage granules 13, whereby the enclosed medium is liquefied and sent to the evaporator part 49 through the liquid return pipe 48. The outside air sucked by the fan 50 of the fan coil unit 43 evaporates the enclosed medium to cool, and the conditioned air 21
I will provide a. The enclosed medium vaporized in the evaporator section 47 circulates through the vapor transfer pipe 51 to the condenser section 47. When the high temperature heat storage granules 13 are used, the reference numeral 47 in the granule receiver 5 serves as an evaporator portion, the reference numeral 49 in the fan coil unit 43 serves as a condenser portion, and the working portion is Since it is reversed, the position of the condenser section 49, that is, the position of the fan coil unit is set higher, and the position of the evaporator section 47 is set higher.
That is, it is necessary to change the relative position while lowering the position of the particle receptor 5.

In FIG. 9, a heat flow control device is added in the middle of the liquid return pipe 48 of the thermal coupling means 46 of FIG. It is composed of a tank 52 for containing the filled liquid, a U-shaped tube 53 arranged in an inverted U shape for controlling the return liquid flow, and a heater 54 arranged at the inlet end of the U-shaped tube 53 and serving as a control terminal. When the heater 54 is actuated and heated, bubbles are generated at the inlet of the U-shaped tube 53 (the position of the heater 54) and the filled liquid is pumped up by the pumping action. When the heater heating is stopped, no bubbles are generated and the liquid flow stops. In this case as well, it is possible to use high-temperature heat storage granules, but in addition to the above-mentioned replacement of the working parts of the condenser part and the heat storage part and the replacement of the relative height, the heat flow control device configuration accompanying the change of the enclosed liquid flow direction It is necessary to reverse the parts layout.

A third embodiment of a thermal coupling system with a fan coil unit will be described with reference to FIG. The figure also shows the case of the cold heat storage granules 13. A heat pipe in which an evaporative liquid is sealed is used as the thermal coupling means 46 for connecting the granular body receiver 5 and the fan coil unit 43. The principle of operation is the same as that of the second embodiment in which the thermal coupling method with the fan coil unit is the same. However, in the second embodiment, the portion composed of two pipes is one thick pipe in this embodiment. The only difference is that the gas and liquid phases automatically use the different flow paths. When the high temperature heat storage granules 13 are used, the replacement of the working parts of the condenser part and the evaporator part and the replacement of the relative heights are the same as in the second embodiment. However, it is impossible to use the heat flow control device as shown in FIG.

[0019]

EFFECTS OF THE INVENTION A pipe communicating with a high-pressure gas tank is connected via a valve at a preset interval in the air-granule conveying path whose periphery is hermetically sealed in the air-granule conveying device, and the air-granule is detected by clogging detection. The clogging can be easily eliminated by adjusting the pressure of each part in the body transport path. Further, even during normal transportation, the frequency of the clogging phenomenon itself can be reduced by properly adjusting the pressure of each part in the air flow granule transportation path by the high pressure gas tank communication pipe.

The use of air as the high-pressure gas is most economical. If the air from the high-pressure air tank is used for smooth supply of granules from the bunker, installation of a large air tank enables the use of nighttime electric power to reduce operating costs. Also, the air tank capacity can be reduced by supplying the main air for transportation with the attached fan.

In the air conditioner including the above-mentioned air-stream granular material conveying device, an efficient air-conditioning device or heating device can be obtained as it is by using the conveying air for transporting the heat-storage granules. Alternatively, in the case of a high heat source, the heat can be transferred to a good environment away from it to generate conditioned air.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of an air flow granular material conveying device according to the present invention in which air from a high-pressure air tank is blown into a granular material supply path under a bunker.

FIG. 2 is an embodiment of an air conditioner of the type directly using a carrier air, which includes an air flow carrier for granules according to the present invention of a type in which carrier air is mainly supplied by a fan and granules are supplied from a bunker by the wind pressure of the fan. FIG.

FIG. 3 is an air conditioner of a thermal coupling type with a fan coil unit including an airflow particle conveying device according to the present invention of a type in which carrier air is mainly supplied by a fan and particles in a bunker are also drawn out by using a nozzle. It is a figure which shows the Example of.

FIG. 4 is a structural diagram of a granular body receiver showing a second embodiment of the air conditioner of the direct use type of carrier air.

FIG. 5 is a structural diagram of a granular body receiver showing a third embodiment of the air conditioner of the direct use type of carrier air.

[Fig. 6] Fig. 6 is a structural diagram of a granular body receiver showing a fourth embodiment of the air conditioner of the direct use type of carrier air.

FIG. 7 is a structural diagram when a ventilation duct is added to the structure of FIG.

FIG. 8 is a structural diagram of a particle receiver and a fan coil unit showing a second embodiment of an air conditioner of a thermal coupling type with a fan coil unit.

9 is a structural diagram in which a heat flow control device of a thermal coupling means is added to the structure of FIG.

FIG. 10 is a structural diagram of a granule receptor and a fan coil unit showing a third embodiment of an air conditioner of a thermal coupling type with a fan coil unit.

[Explanation of symbols]

1 ... Bunker, 2 ... Particle supply path, 3 ... Gate, 4 ... Particle transport path, 5 ... Particle receiver, 6 ... Pipe, 7 ... Valve, 8 ...
High-pressure air tank, 11 ... Valve, 12 ... Pipe, 13 ...
Granules, 14 ... Fan, 16 ... Valve, 17 ... Pipe, 1
8 ... Nozzle, 20 ... Lattice member, 21 ... Conditioned air, 22
... ice-melting water, 23 ... ice-melting water pan, 24 ... pump, 25 ... valve, 26 ... pipe, 27 ... ice maker, 31 ... fan, 4
3 ... Fan coil unit, 46 ... Thermal coupling means.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hajime Kobori 2-4-1, Nishitsujigaoka, Chofu-shi, Tokyo Tokyo Electric Power Company Technical Research Institute

Claims (14)

[Claims] 1. A granule transporting device comprising a bunker and a granule replenishing path, and a grain receptive device provided at the end of the grain reserving path connected to the grain replenishing path. An air-granule transporting device, which is hermetically sealed, and pipes communicating with a high-pressure gas tank are connected at predetermined intervals along the transport path via valves. 2. The apparatus for carrying air-stream particles according to claim 1, wherein air is used as the high-pressure gas. 3. The high pressure gas tank as claimed in claim 1, wherein either the inlet of the particle replenishing passage or any one of the inlets upstream thereof is openably and closably closed to further close the downstream side of the closed location to a high pressure gas tank. An air-flowing granular material conveying device, characterized in that the pipes are connected via a valve. 4. The air-flowing granular material conveying device as claimed in claim 2, wherein compressed air is supplied from the upstream part of the granular material conveying path inlet near the granular material supplying path outlet by using a fan. 5. The bunker inlet according to claim 4, which is openably and closably closed to be airtight, and a pipe communicating with a downstream side of the fan is connected to a downstream side of the closed place through a valve. Air flow granule carrier. 6. The air flow granular material conveying device as claimed in claim 4, wherein compressed air of a fan is supplied by using a nozzle near the outlet of the granular material supply passage. 7. An air conditioner that uses a heat storage granule by providing a bunker and a granule replenishing path, and further comprising a granule receptor at the end of a granule conveying path connected to the granule replenishing path, wherein the granules are used. An air conditioner, characterized in that it is hermetically sealed around a body transport path, and a pipe communicating with a high-pressure air tank is connected via a valve in the middle of the transport path at predetermined intervals. 8. The pipe according to claim 7, wherein either the granule replenishing passage inlet or the bunker inlet is openably closed to be airtight, and a pipe communicating with the high pressure gas tank is provided near the downstream side of the closing place via a valve. An air conditioner characterized by being connected together. 9. The air conditioner according to claim 7, wherein compressed air is supplied from the upstream portion of the inlet of the granular material conveying passage near the outlet of the granular material supply passage by using a fan. 10. The air conditioner according to claim 8 or 9, characterized in that the carrier air is discharged to the outside through the granule receptor while being in contact with the heat storage granules accumulated in the granule receptor. apparatus. 11. The carrier air according to claim 8 or 9,
An air conditioner characterized by forcibly exhausting the external air that has transferred heat by contacting the heat storage particles accumulated in the particle receiver. 12. An air conditioner according to claim 8 or 9, further comprising means for thermally coupling said granular material receiver accumulating said heat accumulating granular material and a fan coil unit. 13. The ice storage device according to claim 10, 11 or 12, wherein ice is used as the heat storage granules, and an ice maker is arranged on the bunker, so that the ice-melting water generated in the grain receptor is the ice maker. An air conditioner comprising means for returning to the machine. 14. A part of the fluid carrying path is used as a particle receptor.
Alternatively, the air conditioner according to any one of claims 7 to 13, wherein a part of the particle receptor is used as a fluid transfer path.